export declare const PASSKEY_ERRORS: Record<string, string>;
export declare function isWebAuthnSupported(): boolean;
export declare function decodeBase64Url(base64url: string): Uint8Array;
export interface PasskeyCreationOptions {
    challenge: string;
    timeout: number;
    rp: {
        id: string;
        name: string;
    };
    user: {
        id: string;
        name: string;
        displayName: string;
    };
    pubKeyCredParams: {
        type: string;
        alg: number;
    }[];
    authenticatorSelection?: {
        authenticatorAttachment?: string;
        residentKey?: string;
        requireResidentKey?: boolean;
        userVerification?: string;
    };
    excludeCredentials?: {
        type: string;
        id: string;
        transports?: string[];
    }[];
    attestation?: string;
}
export declare function buildPublicKeyCreationOptions(options: PasskeyCreationOptions): PublicKeyCredentialCreationOptions;
export declare function formatCreationCredentialForServer(credential: PublicKeyCredential): {
    id: string;
    rawId: string;
    response: {
        attestationObject: string;
        clientDataJSON: string;
    };
    type: string;
};